#ifndef _EFL_CANVAS_ALPHA_ANIMATION_EO_H_ #define _EFL_CANVAS_ALPHA_ANIMATION_EO_H_ #ifndef _EFL_CANVAS_ALPHA_ANIMATION_EO_CLASS_TYPE #define _EFL_CANVAS_ALPHA_ANIMATION_EO_CLASS_TYPE typedef Eo Efl_Canvas_Alpha_Animation; #endif #ifndef _EFL_CANVAS_ALPHA_ANIMATION_EO_TYPES #define _EFL_CANVAS_ALPHA_ANIMATION_EO_TYPES #endif /** * @brief Animated alpha blending effect. * * The @ref Efl_Canvas_Object will have its alpha (transparency) value * multiplied by this animation. This can be used to create fade-in and * fade-out transitions, for example. * * @since 1.24 * * @ingroup Efl_Canvas_Alpha_Animation */ #define EFL_CANVAS_ALPHA_ANIMATION_CLASS efl_canvas_alpha_animation_class_get() EVAS_API EVAS_API_WEAK const Efl_Class *efl_canvas_alpha_animation_class_get(void) EINA_CONST; /** * @brief Alpha range to animate. 0.0 means the object is * transparent and 1.0 means the object is opaque. * * @param[in] obj The object. * @param[in] from_alpha Initial alpha value. * @param[in] to_alpha Ending alpha value. * * @since 1.24 * * @ingroup Efl_Canvas_Alpha_Animation */ EVAS_API EVAS_API_WEAK void efl_animation_alpha_set(Eo *obj, double from_alpha, double to_alpha); /** * @brief Alpha range to animate. 0.0 means the object is * transparent and 1.0 means the object is opaque. * * @param[in] obj The object. * @param[out] from_alpha Initial alpha value. * @param[out] to_alpha Ending alpha value. * * @since 1.24 * * @ingroup Efl_Canvas_Alpha_Animation */ EVAS_API EVAS_API_WEAK void efl_animation_alpha_get(const Eo *obj, double *from_alpha, double *to_alpha); #endif